1150266217 has 4 divisors (see below), whose sum is σ = 1150593156. Its totient is φ = 1149939280.

The previous prime is 1150266163. The next prime is 1150266259. The reversal of 1150266217 is 7126620511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 668946496 + 481319721 = 25864^2 + 21939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150266217 - 2¹¹ = 1150264169 is a prime.

It is a super-2 number, since 2×1150266217² = 2646224739942982178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150266277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158134 + ... + 165247.

It is an arithmetic number, because the mean of its divisors is an integer number (287648289).

Almost surely, 2^1150266217 is an apocalyptic number.

It is an amenable number.

1150266217 is a deficient number, since it is larger than the sum of its proper divisors (326939).

1150266217 is an equidigital number, since it uses as much as digits as its factorization.

1150266217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326938.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1150266217 is about 33915.5748440152. The cubic root of 1150266217 is about 1047.7703912152.

Adding to 1150266217 its reverse (7126620511), we get a palindrome (8276886728).

The spelling of 1150266217 in words is "one billion, one hundred fifty million, two hundred sixty-six thousand, two hundred seventeen".